Author's Organization:School of Pharmaceutical Sciences, Toho University School of Pharmaceutical Sciences, Toho University School of Pharmaceutical Sciences, Toho University School of Pharmaceutical Sciences, Toho University School of Pharmaceutical Sciences, Toho University Japan and Central Laboratories, Nippon Flour Mills Co., Ltd.,
Six β-carboline alkaloids were isolated from a Chinese medicinal plant, Arenaria kansuensis. The structures of four new alkaloids named arenarines A, B, C, and D were identified based on spectral and chemical evidence.